package com.train.webadmin.app.service.impl;

import cn.hutool.core.collection.CollUtil;
import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
import com.train.webadmin.app.service.*;
import com.train.webadmin.app.dao.*;
import com.train.webadmin.app.model.*;
import com.train.common.core.base.dao.BaseDaoMapper;
import com.train.common.core.object.Tuple2;
import com.train.common.core.object.MyRelationParam;
import com.train.common.core.object.CallResult;
import com.train.common.core.base.service.BaseService;
import com.github.pagehelper.Page;
import lombok.extern.slf4j.Slf4j;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.*;

/**
 * 赋分详情数据操作服务类。
 *
 * @author xulei
 * @date 2025-03-07
 */
@Slf4j
@Service("scoreDetailService")
public class ScoreDetailServiceImpl extends BaseService<ScoreDetail, Long> implements ScoreDetailService {

    @Autowired
    private ScoreDetailMapper scoreDetailMapper;
    @Autowired
    private StudentInfoService studentInfoService;

    /**
     * 返回当前Service的主表Mapper对象。
     *
     * @return 主表Mapper对象。
     */
    @Override
    protected BaseDaoMapper<ScoreDetail> mapper() {
        return scoreDetailMapper;
    }

    @Transactional(rollbackFor = Exception.class)
    @Override
    public ScoreDetail saveNew(ScoreDetail scoreDetail) {
        scoreDetailMapper.insert(this.buildDefaultValue(scoreDetail));
        return scoreDetail;
    }

    @Transactional(rollbackFor = Exception.class)
    @Override
    public void saveNewBatch(List<ScoreDetail> scoreDetailList) {
        if (CollUtil.isNotEmpty(scoreDetailList)) {
            scoreDetailList.forEach(this::buildDefaultValue);
            scoreDetailMapper.insertList(scoreDetailList);
        }
    }

    @Transactional(rollbackFor = Exception.class)
    @Override
    public void saveNewOrUpdateBatch(List<ScoreDetail> scoreDetailList, List<String> duplicateVerifyColumns, int batchSize) {
        if (CollUtil.isEmpty(scoreDetailList)) {
            return;
        }
        if (batchSize <= 0) {
            batchSize = CollUtil.isNotEmpty(duplicateVerifyColumns) ? 100 : 10000;
        }
        int start = 0;
        do {
            int end = Math.min(scoreDetailList.size(), start + batchSize);
            List<ScoreDetail> subList = scoreDetailList.subList(start, end);
            if (CollUtil.isNotEmpty(duplicateVerifyColumns)) {
                Tuple2<List<ScoreDetail>, List<ScoreDetail>> t = this.deduceInsertOrUpdateList(subList, duplicateVerifyColumns);
                if (CollUtil.isNotEmpty(t.getFirst())) {
                    t.getFirst().forEach(this::buildDefaultValue);
                    scoreDetailMapper.insertList(t.getFirst());
                }
                t.getSecond().forEach(data -> scoreDetailMapper.updateById(data));
            } else {
                scoreDetailList.forEach(this::buildDefaultValue);
                scoreDetailMapper.insertList(subList);
            }
            if (end == scoreDetailList.size()) {
                break;
            }
            start += batchSize;
        } while (true);
    }

    @Transactional(rollbackFor = Exception.class)
    @Override
    public boolean update(ScoreDetail scoreDetail, ScoreDetail originalScoreDetail) {
        // 这里重点提示，在执行主表数据更新之前，如果有哪些字段不支持修改操作，请用原有数据对象字段替换当前数据字段。
        UpdateWrapper<ScoreDetail> uw = this.createUpdateQueryForNullValue(scoreDetail, scoreDetail.getId());
        return scoreDetailMapper.update(scoreDetail, uw) == 1;
    }

    @Transactional(rollbackFor = Exception.class)
    @Override
    public boolean remove(Long id) {
        return scoreDetailMapper.deleteById(id) == 1;
    }

    @Override
    public List<ScoreDetail> getScoreDetailList(ScoreDetail filter, String orderBy) {
        return scoreDetailMapper.getScoreDetailList(filter, orderBy);
    }

    @Override
    public List<ScoreDetail> getScoreDetailListWithRelation(ScoreDetail filter, String orderBy) {
        List<ScoreDetail> resultList = scoreDetailMapper.getScoreDetailList(filter, orderBy);
        // 在缺省生成的代码中，如果查询结果resultList不是Page对象，说明没有分页，那么就很可能是数据导出接口调用了当前方法。
        // 为了避免一次性的大量数据关联，规避因此而造成的系统运行性能冲击，这里手动进行了分批次读取，开发者可按需修改该值。
        int batchSize = resultList instanceof Page ? 0 : 1000;
        this.buildRelationForDataList(resultList, MyRelationParam.normal(), batchSize);
        return resultList;
    }

    @Override
    public CallResult verifyImportList(List<ScoreDetail> dataList, Set<String> ignoreFieldSet) {
        CallResult callResult;
        if (!CollUtil.contains(ignoreFieldSet, "studentId")) {
            callResult = verifyImportForDatasourceDict(dataList, "studentIdDictMap", ScoreDetail::getStudentId);
            if (!callResult.isSuccess()) {
                return callResult;
            }
        }
        if (!CollUtil.contains(ignoreFieldSet, "subjectId")) {
            callResult = verifyImportForOneToOneRelation(dataList, "SubjectInfo", ScoreDetail::getSubjectId);
            if (!callResult.isSuccess()) {
                return callResult;
            }
        }
        if (!CollUtil.contains(ignoreFieldSet, "classStudentId")) {
            callResult = verifyImportForOneToOneRelation(dataList, "ClassStudent", ScoreDetail::getClassStudentId);
            if (!callResult.isSuccess()) {
                return callResult;
            }
        }
        return CallResult.ok();
    }

    @Override
    public CallResult verifyRelatedData(ScoreDetail scoreDetail, ScoreDetail originalScoreDetail) {
        String errorMessageFormat = "数据验证失败，关联的%s并不存在，请刷新后重试！";
        //这里是基于字典的验证。
        if (this.needToVerify(scoreDetail, originalScoreDetail, ScoreDetail::getStudentId)
                && !studentInfoService.existId(scoreDetail.getStudentId())) {
            return CallResult.error(String.format(errorMessageFormat, "学生id"));
        }
        return CallResult.ok();
    }

    private ScoreDetail buildDefaultValue(ScoreDetail scoreDetail) {
        return scoreDetail;
    }

    public List<ScoreDetail> getScoreDetailByClassStudentId(Long classStudentId) {
        return scoreDetailMapper.getScoreDetailByClassStudentId(classStudentId);
    }

    public boolean deleteByClassStudentId(Long classStudentId) {
        return scoreDetailMapper.deleteByClassStudentId(classStudentId);
    }
}
